Deep Learning
A Gentle Introduction to RNN Unrolling - Machine Learning Mastery
Recurrent neural networks are a type of neural network where the outputs from previous time steps are fed as input to the current time step. This creates a network graph or circuit diagram with cycles, which can make it difficult to understand how information moves through the network. In this post, you will discover the concept of unrolling or unfolding recurrent neural networks. Recurrent neural networks are a type of neural network where outputs from previous time steps are taken as inputs for the current time step. We can demonstrate this with a picture.
Phase transitions in Restricted Boltzmann Machines with generic priors
Barra, Adriano, Genovese, Giuseppe, Sollich, Peter, Tantari, Daniele
We present a complete analysis of the replica symmetric phase diagram of these systems, which can be regarded as Generalised Hopfield models. We underline the role of the retrieval phase for both inference and learning processes and we show that retrieval is robust for a large class of weight and unit priors, beyond the standard Hopfield scenario. Furthermore we show how the paramagnetic phase boundary is directly related to the optimal size of the training set necessary for good generalisation in a teacher-student scenario of unsupervised learning. In recent years supervised machine learning with neural networks has found renewed interest from the practical success of so-called deep networks in solving several difficult problems, ranging from image classification to speech recognition and video segmentation [1]. Despite this remarkable progress, unsupervised learning with neural networks, in which the structure of data is learned without a priori knowledge of a specific task, still lacks a solid theoretical scaffold. Such learning of hidden features of complex data in high dimensional spaces by fitting a generative probabilistic model is used for de-noising, completion and data generation, but also as a dimensionality reduction pre-training step in supervised methods [7, 8].
Deep and Confident Prediction for Time Series at Uber
Reliable uncertainty estimation for time series prediction is critical in many fields, including physics, biology, and manufacturing. At Uber, probabilistic time series forecasting is used for robust prediction of number of trips during special events, driver incentive allocation, as well as real-time anomaly detection across millions of metrics. Classical time series models are often used in conjunction with a probabilistic formulation for uncertainty estimation. However, such models are hard to tune, scale, and add exogenous variables to. Motivated by the recent resurgence of Long Short Term Memory networks, we propose a novel end-to-end Bayesian deep model that provides time series prediction along with uncertainty estimation. We provide detailed experiments of the proposed solution on completed trips data, and successfully apply it to large-scale time series anomaly detection at Uber.
Isaac Asimov's 3 laws of AI โ updated
In an OpEd piece in the NY Times, and in a TED Talk late last year, Oren Etzioni, PhD, author, and CEO of the Allen Institute for Artificial Intelligence, suggested an update for Isaac Asimov's three laws of Artificial Intelligence. Given the widespread media attention emanating from Elon Musk's (and others) warnings, these updates might be worth reviewing. In an open letter to the U.N., a group of specialists from 26 nations and led by Elon Musk called for the United Nations to ban the development and use of autonomous weapons. The signatories included Musk and DeepMind co-founder Mustafa Suleyman, as well as 100 other leaders in robotics and artificial-intelligence companies. They write that AI technology has reached a point where the deployment of such systems in the form of autonomous weapons is feasible within years, not decades, and many in the defense industry are saying that autonomous weapons will be the third revolution in warfare, after gunpowder and nuclear arms.
WEBINAR - Introducing The AI Database: A Prerequisite to Operationalizing Machine and Deep Learning - Kinetica GPU Database
Pragmatic AI is here and the results are real for enterprises that know the ropes. Powerful predictive models, computer vision, and natural language understanding are a few of the applications that enterprises of all kinds can apply to a broad number of use cases. The good news is that much of the work to infuse applications with AI can be performed by data scientists and perseverant developers who are willing to learn new machine learning frameworks like TensorFlow on GPU systems. The incessant challenge is that AI needs powerful and performant data management and processing capabilities to support the full AI development lifecycle and quickly create accurate models. Mike's research focuses on software technology, platforms, and practices that enable technology professionals to deliver prescient digital experiences and breakthrough operational efficiency.
Creative Applications of Deep Learning with TensorFlow Kadenze
Becoming a specialist in a subject requires a highly tuned learning experience connecting multiple related courses. Programs unlock exclusive content that helps you develop a deep understanding of your subject. From your first course to your final summative assessment, our thoughtfully curated curriculum enables you to demonstrate your newly acquired skills.
Deep Learning for Dummies(1) โ Debparna Pratiher โ Medium
You hear artificial intelligence, deep learning and machine learning everywhere so you google these terms and find yourself lost in the vast number of articles presented to you. Ignoring the rising anxiety, you scourge through the articles finding yourself even more confused with all the technical jargon than when you first started. Applications, examples, math formulas and code snippets aside, here is a straightforward article with exactly what you need to know to get started on running tensorFlow code samples. Artificial Intelligence(AI) is the big set. Machine learning(ML) is a subset of AI.
introduction-to-deep-learning-models-with-tensorflow-online-code-2
The lessons look at the key mathematical foundations of deep learning models, giving you insight into what makes these techniques work. Created for software engineers and budding data scientists, the course requires basic familiarity with Python programming; as well as statistics concepts such as linear and logistic regression, machine learning concepts like classification, and linear algebra. Jupyter Notebook is used to write and run code. Lucas Adams is a senior level machine learning engineer at Jet.com, where he deploys TensorFlow for computer vision and natural language processing systems.
A Vision for Making Deep Learning Simple
When MapReduce was introduced 15 years ago, it showed the world a glimpse into the future. For the first time, engineers at Silicon Valley tech companies could analyze the entire Internet. MapReduce, however, provided low-level APIs that were incredibly difficult to use, and as a result, this "superpower" was a luxury -- only a small fraction of highly sophisticated engineers with lots of resources could afford to use it. Today, deep learning has reached its "MapReduce" point: it has demonstrated is potential; it is the "superpower" of Artificial Intelligence. Its accomplishments were unthinkable a few years ago: self-driving cars and AlphaGo would have been considered miracles.
AI has no place in the NHS if patient privacy isn't assured
Tech companies are asking to step into doctors' offices with us, and eavesdrop on all the symptoms and concerns we share with our GPs. While doctors and other medical staff are bound by confidentiality and ethics, we haven't yet figured out what it means when a digital third party -- the apps and algorithms -- are allowed in the room, too. Healthcare isn't the place to mimic Facebook's former motto to "move fast and break things", or push regulations to see where they bend, a la Uber. Instead, patients need to trust who's in the consultation room with them, says Nathan Lea, senior research associate at UCL's Institute of Health Informatics and the Farr Institute of Health Informatics Research. "You want the individual to be able to share with the doctor or clinical team as much detail as necessary without the anxiety that someone else will be looking at it," he says.